[LLVM-C] [bindings/go] Add C and Golang bindings for COMDAT

Patch by Ben Clayton

Differential Revision: https://reviews.llvm.org/D44086

llvm-svn: 327551

1 files changed, 56 insertions, 2 deletions

diff --git a/llvm/lib/IR/Comdat.cpp b/llvm/lib/IR/Comdat.cpp
index c735f9b2eb1..3b1f7d62cda 100644
--- a/llvm/lib/IR/Comdat.cpp
+++ b/llvm/lib/IR/Comdat.cpp
@@ -7,13 +7,16 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file implements the Comdat class.
+// This file implements the Comdat class (including the C bindings).
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/IR/Comdat.h"
+#include "llvm-c/Comdat.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/IR/Comdat.h"
+#include "llvm/IR/GlobalObject.h"
+#include "llvm/IR/Module.h"
 
 using namespace llvm;
 
@@ -22,3 +25,54 @@ Comdat::Comdat(Comdat &&C) : Name(C.Name), SK(C.SK) {}
 Comdat::Comdat() = default;
 
 StringRef Comdat::getName() const { return Name->first(); }
+
+LLVMComdatRef LLVMGetOrInsertComdat(LLVMModuleRef M, const char *Name) {
+  return wrap(unwrap(M)->getOrInsertComdat(Name));
+}
+
+LLVMComdatRef LLVMGetComdat(LLVMValueRef V) {
+  GlobalObject *G = unwrap<GlobalObject>(V);
+  return wrap(G->getComdat());
+}
+
+void LLVMSetComdat(LLVMValueRef V, LLVMComdatRef C) {
+  GlobalObject *G = unwrap<GlobalObject>(V);
+  G->setComdat(unwrap(C));
+}
+
+LLVMComdatSelectionKind LLVMGetComdatSelectionKind(LLVMComdatRef C) {
+  switch (unwrap(C)->getSelectionKind()) {
+  case Comdat::Any:
+    return LLVMAnyComdatSelectionKind;
+  case Comdat::ExactMatch:
+    return LLVMExactMatchComdatSelectionKind;
+  case Comdat::Largest:
+    return LLVMLargestComdatSelectionKind;
+  case Comdat::NoDuplicates:
+    return LLVMNoDuplicatesComdatSelectionKind;
+  case Comdat::SameSize:
+    return LLVMSameSizeComdatSelectionKind;
+  }
+  llvm_unreachable("Invalid Comdat SelectionKind!");
+}
+
+void LLVMSetComdatSelectionKind(LLVMComdatRef C, LLVMComdatSelectionKind kind) {
+  Comdat *Cd = unwrap(C);
+  switch (kind) {
+  case LLVMAnyComdatSelectionKind:
+    Cd->setSelectionKind(Comdat::Any);
+    break;
+  case LLVMExactMatchComdatSelectionKind:
+    Cd->setSelectionKind(Comdat::ExactMatch);
+    break;
+  case LLVMLargestComdatSelectionKind:
+    Cd->setSelectionKind(Comdat::Largest);
+    break;
+  case LLVMNoDuplicatesComdatSelectionKind:
+    Cd->setSelectionKind(Comdat::NoDuplicates);
+    break;
+  case LLVMSameSizeComdatSelectionKind:
+    Cd->setSelectionKind(Comdat::SameSize);
+    break;
+  }
+}